Home / 15,434.21-23,144.47-8,412.12

Finding the Fourth Proportional to 15,434.21, 23,144.47 and 8,412.12

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Solution

The fourth proportional to 15,434.21, 23,144.47 and 8,412.12 is: 12,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.21 : 23,144.47 = 8,412.12 : x
  2. Step 2: Convert to fraction form
    15,434.21/23,144.47 = 8,412.12/x
  3. Step 3: Cross multiply
    15,434.21x = 23,144.47 × 8,412.12
  4. Step 4: Simplify right side
    15,434.21x = 194,694,037.95
  5. Step 5: Solve for x
    x = 194,694,037.95/15,434.21
  6. Step 6: Final answer
    x = 12,614.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.